, which has seen support from hispanic voters drop dramatically. >>> president obama is keeping the heat on congress in the firearms debate by meeting with police chiefs who have seen gun violence firsthand. he gathered with chiefs from aurora, colorado, newtown, connecticut and other communities yesterday at the white house. the chiefs urged mr. obama to focus on strengthening background checks and mental health systems. but they didn't quite agree on a new ban on assault weapons. >> that is going to be the most controversial part of that plan. some of the parents of children killed in last month's sandy hook elementary school shooting added their voices to the debate. before a group of connecticut state lawmakers they demanded better enforcement of their state's existing gun laws. >> the time is now. let the state of connecticut become an agent for change with respect to gun safety. our little man and every other child and adult who died that day deserve it. >> some parents also question why civilians would need semiautomatic military-style weapons. gun right supporters were there, as